assume cs:code

code segment
	mov ax,4c00h
	int 21h

start:
	mov ax,0
s:
	nop
	nop
	
	mov di,offset s
	mov si,offset s2
	mov ax,cs:[si]
	mov cs:[di],ax
	
s0:
	jmp short s

s1:
	mov ax,0
	int 21h
	mov ax,0

s2:
	jmp short s1
	nop
code ends
end start






